@everyone The tyrannosaurid here is _Daspletosaurus._ It belongs to the family Tyrannosauridae, and that family itself is under a bigger superfamily called Tyrannosauroidea (note the "O"), and a lot of people just colloquially call members of that superfamily tyrannosaurs which there's nothing wrong with! _Daspletosaurus_ lacks The expanded posterior margin (the wide back section) of the skull for optimal stereoscopic vision that _T. rex_ has. Also in _T. rex,_ the basal tubera (tube-shaped bones located on the back of the head that point down) are displaced right as they approach the basipterygoid process (the spot in the back of the head where the basilar part of the occipital approaches the bone called the pterygoid) whereas this isn't the case with _Daspletosaurus._ The ceratopsian is _Chasmosaurus._ Dunno how much about ceratopsid anatomy I have to tell you but _Chasmosaurus_ is like a quarter the size of _Triceratops,_ lived a good 6-10 million years earlier, has much smaller brow horns, a square- shaped neck frill with 2 giant holes that give it its name (same origin as the English word "Chasm" in reference to an opening, so _Chasmosaurus_ would mean "Open lizard").
The're all Tyrannosaurs, T.rex may have been the latest, biggest, most powerfull & intelligent giant preditory dinosaurs but all their ancesters evolved from small (yet still larger than normal) Coelosaurian ancesters, being a large familly made up of preditors & herbivours of different shapes & sizes, ppl make an assumptions, before they should, as the Tyrannosaur familly are all connected close together, just as we humans are to Apes, Monkeys, Tree Squirals etc living under the rule of the dinosaurs! 🦖
Apparently that's been proven false now. Its hands cannot rotate like a human's and walking on its knuckles would have damaged the bones and torn the muscles. Plus its back legs were believed to have been 27% too short for its body. Thus it walked on two legs, but it was quite low to the ground.
@@bschexnayder4565 hmmm i see you are a Gen-x(people who were born in the early 70s)… well there’s a thing in the world called “Jokes” idk(I don’t know) is you ever heard such a thing…
Being a mature dinosaur enthusiast, I often wonder why I bother to read the comments section because it's full of children who think they know everything or at least think most about dinosaurs is already known. Most dinosaur species have only been discovered by fragments of one dig so stop acting like you or this documentary knows everything. Dinosaurs are animals, not pokemon.
Yes, but I think the ecosystems back then were about as complex as our ecosystem is right now. There are so many things that even complete skeletons don't tell us and the majority of identified species are just from fragments of fossils. We are still discovering new species of animals today, imagine how many more animals lived that are now extinct that we have no idea existed? So much to know, so little do we know.
***** Clash of the Dinosaurs got a lot of things wrong and made exaggerated claims. I'll admit it was impressive at first but if you look online you'll the major criticisms of the documentary.
+Plato Smith And let's not forget certain members of a certain movie franchise fan base. I have no issue with people who like the movies. What I DO mind is when they rely solely on them for dino information. That "It can't see you if you don't move," nonsense was disproven years ago along with the fact the dromaeosaurs (raptors) had scales instead of feathers and were as tall as a human. REAL velociraptors were about the size of border collies and looked more like ground bases birds of prey than monstrous over grown lizards and T-Rex along with their cousins had superb senses of smell, sight, and intelligence. Like I said, I don't mind people liking the movie because they ARE entertaining to watch. I just wish certain people didn't solely believe in them.
_Tyrannosaurus_ also probably lived in small groups. We've found footprints left by a group of _Tyrannosaurus._ Tyrannosaurs probably behaved a lot like wolves.
Young T-REX's can be found alongside or proximity of each other. I think the general census is that when they were vulnerable (Small) they stuck near each-other and did not hunt each-other. The older ones were a lot more territorial. I suppose it's not that dissimilar to Crocodiles, young huddle together and are indifferent but the adults can be solo or amongst others, but territory or food can cause conflict.
A lot of comments about "T-rex". This is about tyrannosaurs in general, and there is enough evidence to suggest that the smaller species did live together at times. As the video suggests, it is unlikely that there was any co-ordinated attack strategy that we associate with mammalian packs, instead the group merely stays together waiting for someone to make a kill. When the prey is large this is a good strategy, particularly for the larger tyrannosaurs of the species.
Dave Smith While this could be true there's fossil evidence that T-Rex along with other tyrannosaurs did hunt in packs or small family groups. The T-Rex was also very smart so I see no reason why there wouldn't be co-ordination.
Nuke2099 There is no fossil evidence for T. rex hunting in packs, it is still currently speculation. This out of wikipedia provides a slice of current thinking en.wikipedia.org/wiki/Tyrannosaurus#Pack_behavior Based on brain size T. rex was smarter than almost all dinosaurs, but remarkably stupid in comparison to modern birds and mammals. In any case brain size is not a good indicator of whether a creature is capable of co-operative hunting (as opposed to communal hunting) - ants are capable of coordinated hunting, but are as dumb as a micro-chip. This article also provides Stegodyphid spiders as another example. en.wikipedia.org/wiki/Cooperative_hunting The article mentions the basics of the theory behind the development of cooperative hunting. What is not mentioned, but is implicit, is that the society must be close enough genetically for altruism/cooperation to to root in the population. Thus cooperation can never take hold in turtles, for example. The problem with T. rex is that it grows gradually throughout its life and is capable of living independently during this time. This means that at any time there will be a variety of different sized T. rexs in a pack. There is then an inherent inequity about who gets the spoils of the meals, the larger T. rexs getting all of the food. This is similar to crocodilians today, and there is no cooperative hunting there, in fact smaller crocodiles get eaten by the larger ones if the opportunity presents itself. The important quote from the article is " the increased benefit in hunting efficiency from cooperation must compensate for the division of available meat among cooperators " - this can never be the case with T. rex.
So the family and pack groups of fossils they dug up years ago then are false? because that's where that evidence comes from. Also when hunting the prey T-Rex did, planned hunting strategy would have to be a thing because such animals also lived in herds. You don't see a lone wolf or a unco-ordinated wolf pack hunt bison or a lion pride attack prey unco-ordinated. Actually the only reason why big cats such as lions formed prides through evolution was because of the prey they hunt otherwise they would be solitary hunters.
Nuke2099 "So the family and pack groups of fossils they dug up years ago then are false" - that has not happened for any T. rex specimens As for the rest of your rant - please go read the published science instead of making stuff up. At the very least address the points and references I have presented. "T-Rex did, planned hunting strategy would have to be a thing because such animals also lived in herds" - is simply wrong because of the argument I put forward with regards the different sizes that adult T. rexs came in, basing it on the work done in the study of the evolution of cooperative hunting
Dave Smith Actually it has happened with T-Rex specimens look it up. Also the only reason that lions form prides is the abundance and size of prey species around them. Similar sort of thing. I suggest you look at real life animals to learn how animals of the past might of lived. There's a thing called convergent evolution you know. I'm not making stuff up, what I'm saying is from info I have read. Also you linked a wiki page which can be edited by almost anyone. Also none of this matters because no one has ever seen T-Rex behavior etc so until then both points are mute. For all we know T-Rex could of been the size of Godzilla and the specimens found now were only babies (not really because this would be stupid).
XamiNaxamis _Daspletosaurus_ also has too many and too small teeth here, it’s skull and neck are elongated, and it’s ankles are too beefy. Among other inaccuracies...
Nikola Nikolesic although a late reply, those massive trees are likely redwoods which were widespread in Late Cretaceous N. America, with Redwoods forming large forests like this one or the modern Muir Woods park
I did not know that daspletosaurus or other tyrannosaurids worked in groups. This series has taught me much about dinosaurs and I hope to be able to make this same kinda of content too.
I know this probably doesn't matter now but. -originally we thought dinosaurs were just overgrown lizards, and thus scaly like them. -now we know they're ancestral reptiles to birds, if not birds themselves. Meaning a majority of them would be feathered (having covering like feathers or fur is VERY useful for small animals in particular) -but since these animals are quite big (4-5K kilograms for daspleto I think), they would overheat if they DID have feathers, meaning they likely didn't and had scales instead
They are indeed the classics of all dinosaurs shows :) It is the same reason as to why you either love having them in every dino documentary (as it is a classic in one's opinion) or dislike it being in every single one (as it gets boring in other's opinion).
Speaking of Sue, you know that research carried out on her indicates that she spent much of her later days immobile due to injuries, Paleontologists specualte that other Trexs - mate and/or offsring cared for her, so she was likely over weight and by the way he 9 ton is just an estimate. Most paleontologists stock with the 5-6 ton estimate.
Personally, I think Seismosaurus was a really massive Diplodocus. Though a real contender for the Biggest Sauropod would be Amphicoelias: Late Jurassic, 130-200 feet at most and weighing 135 tons.
A little perspective - bite force isn't everything, a hyena has a biteforce almost 3 times that of a lion, but who wins in a fight. Furthermore, Tyrannosaurus was a lightweight compared to the Charcarodontosaurs, t rex averaged 5-5.5 tons in weight, Giganotosaurus and Charcarodontosaurus averaged 7-8 tons in weight - thats a huge weight difference, Spinosaurus had a average mass of up to 11 tons.
And how do words make people sound like boars if a boar started typing it would most likely be this Sfdahdasfmbdacskjkfdvbshjkacddadfebhjkdvsfbfkjsvdbhcdksjqlkvfdhsfvjashdsvanklbvfsenkldvfbsjlkfvdsbj That's all
Go and do some research, Tyrannosaurs appeared around 83 million years ago, having evolved from smaller dromeosaur size ancestors, at least 8-10 million years after the extinction of the characrodontosaurs.
Actually the dino shown is Daspletosaurus, and three individuals of different ages were found in the Two Medicine Formation along with five hadrosaur skeletons, suggesting pack hunting. They might have died fighting with others of the pack for food.
This scenario of a lone horned dinosaur wandering alone probably was rare. Usually the horned dinosaurs would be a herd animal that had the protection of numbers like the Buffalo in Africa. When lions attack a herd they face wall of horns making it difficult for lions to kill them. Nearly all horned mammals do this, so by extention it is not a longshot to believe horned dinosaurs did the same! It is also probable that carnivorous dinosaurs hunted in packs like lions, wolves ect.
Look, it seems like you're smart, you know you're stuff, that's great, Guan long wasn't direct but his kind did in fact evolve into the more advanced Tyrannosaur's, I was just letting you know that if something like Acrocanthosaurus survived Tyrannosaur's would be there right alongside them, just like Spinoaaur's were able to, Tyrannosaur's are more advanced than both, both would fill different niche's, Acrocanthosaurus would likely take down more lightly built prey, as opposed to T. rex's heavy
Considering plenty of modern animals hunt organizedly but still fight each other (lions, crocodilians, squid....), why assume that infighting automatically rules out actual cooperation?
Its the smartest of them (other than dromaeosaurs), its the most advanced (lived most recently) It had binocular vision, it was MUCH bulkier than the others, it had a superior sense of smell, and it was a group hunter (families of 2-4 most likely).
You're kinda right about the Seismosaurus, since it's rather incomplete to determine what species it really is... and that's exactly why I think it's a Diplodocus. But we'll have to wait till more turn up.
any references to this idea of yours, most paleontologists including Philip John Currie state the maximum weight of 6.5 Tons, according to Journal of Vertebrate Paleontology Volume 27, Issue 1, 2007 - Giganotosaurus averaged around 9 tons in weight and may have reached 11 tons.
(cont) leg bones are built so they can 'pivot' their bodies quickly on their axis-so they can spin around & keep their horns pointed in the right direction. Of course if a Rex or Albertasour or Daspletosaur can get the trike to panic & try to run, there is a lovely spinal column that can be chomped. Then again, as I understand fossils, the 'terrain' that The Rex lived in was heavily forested-probably easy for a large animal to sneak up on a herd of noisy, feeding herbivores.
paleontologist know that dinosaurs have feathers for a decade now. i just knew it last week and it looked so natural when you see them with feathers. after that and then watching jurassic park, they ended up looking so naked now.
Not the slightest bit true. There is superb evidence stating that the primary reason Allosaur's went extinct in North America is because Tyrannosaur's came and took the throne. Its general paleontology knowledge that Tyrannosaur's are well known for being extremely powerful while having the brains to utilize that power.
@maskell125 You also have to consider that fact that tyrannosaurs had also out competed all other predatory theropods that lives in the same environment due to being more powerfully built, smarter, stronger etc; basically, more advance. This documentary also explains that.
recent studies and finds of their bones have shown that they lived in packs, some hunted solo others in packs. Thoose finds are rarer than 1m thick diamonds, and only been found once.
Size does not mean the best. To be honest, neither Spinosaurus nor Carcharodontosaurus are actually confirmed to be larger, only presumably and/or through assumptions Carcharodontosauruses size was a bit over done because the actual estimates for it are 35-43ft. Tyrannosaurus compared to them and its advancements truly over shadow their length differences. It was a creature built for combat with far superior weaponry, sensory system, intellect, robustness, strength and musculature
Who says she wasn't eating, she was being bought food by her mate, anyway, the Field Museum who purchased Sue's remains and studied them estimated her weight at 7 SHORT tons (6.4tons) at the most - not the ridiculous pot smoking estimate of 9 Tons which you gave lol.
finally someone who doesn't fight over spino & t-rex. but i gotta disagree about the biggest dino. now, i don't know seismosaurus like you (unlike your argument partner), but neither do I think the Amphicoelias was clearly the biggest one. There was just a single bone of it they found which got destroyed during transport if i remember right (arguably the largest in a sauropodon sceleton) but the "estimations" are quite exegerated ranging from 37 (most realistic) to 60m (a "bit" over the top).
I'm sure T. rex knew how to spell THEROPOD. Tyrannosaurus was an exceptionally intelligent dinosaur, all the paleontologist that I talk to agree with me.
lol, tyrannosaurs didn't diversify until after the extinction of the gian charcarodontosaurs around 90 million years ago, ask any paleontologists. They inherited their throne.
I thought T-Rex was like a giant vulture. They used smell to detect carcasses and their size meant few predators would attack. Also, length of the different sections of the leg indicates it was a slow mover, not a speedy runner and hunter.
The increase in cerebrum size amongst coelurosaurs was most defined in dromeosaurs and maniraptors. It also developed in response to increased social behaviour in those groups. Trex was only slightly smarter then other therapods.
T-Rex was a lot smarter than most theropods. His brain was resembling that of birds and had one of the biggest of all theropods compared to body mass. Compared to that most theropods had a brain that had more in common with reptiles and were a lot smaller.
The stockiest tyrannosaurids are T. rex and Tarbosaurus. Daspletosaurus comes next, although it's more robust than any other Tyrannosaurs besides T. rex and Tarbosaurus.
Just saw next doors cat attack a wood pigeon, feathers flying everywhere but because she's still a kitten the bird managed to escape. Birds being distant Dino relatives made me think : 'mammals now rule the world'
They’re saying that Daspletosaurus was the largest terrestrial Carnivore in North America at the time, 30ft long and 3 tons is pretty big. But you are right Spinosaurus was defiantly bigger, I would say 52ft? Long and 6.5-7.5 tons for a Spinosaurus
Le daspletosaurus, 9 metres et 3 tonnes etait un cousin du celebre t-rex il a vecu 5 millions d'annees avant lui . Il etait aussi plus rapide avec des pointes a 40 km/h il chassait en meute ici un chasmosaurus mais au moment de la curee c'etait tout autre chose, le chef et les plus forts mangait en premier et les plus faibles en dernier(on dirait que ces derniers aurait constitue une menace pour la survie l'espece s'il ils auraient mange en premier car la nature ne peu rien prevoir de leur survie autrement dire que c'etait des substitutes en cas de mort des autres)
" Acrocanthosaurus was one I forgot about so yes you're right" - there you go, thats a start. lol, Proceratosauridae died out 120 million years ago, so Guan Long isn't a direct ancestor to Trex.
@everyone The tyrannosaurid here is _Daspletosaurus._ It belongs to the family Tyrannosauridae, and that family itself is under a bigger superfamily called Tyrannosauroidea (note the "O"), and a lot of people just colloquially call members of that superfamily tyrannosaurs which there's nothing wrong with!
_Daspletosaurus_ lacks The expanded posterior margin (the wide back section) of the skull for optimal stereoscopic vision that _T. rex_ has. Also in _T. rex,_ the basal tubera (tube-shaped bones located on the back of the head that point down) are displaced right as they approach the basipterygoid process (the spot in the back of the head where the basilar part of the occipital approaches the bone called the pterygoid) whereas this isn't the case with _Daspletosaurus._
The ceratopsian is _Chasmosaurus._ Dunno how much about ceratopsid anatomy I have to tell you but _Chasmosaurus_ is like a quarter the size of _Triceratops,_ lived a good 6-10 million years earlier, has much smaller brow horns, a square- shaped neck frill with 2 giant holes that give it its name (same origin as the English word "Chasm" in reference to an opening, so _Chasmosaurus_ would mean "Open lizard").
+Luigi Gaskell Maybe they are Albertosaurus family
.
Every time I read one of your comments I just hear Obi-wand voice from The Clone Wars
@@jaeger9028 Albertosaurus is part of the Tyrannosaurid family
They are early T-Rex before the big ones Came and that is a different ceratopsians
The're all Tyrannosaurs, T.rex may have been the latest, biggest, most powerfull & intelligent giant preditory dinosaurs but all their ancesters evolved from small (yet still larger than normal) Coelosaurian ancesters, being a large familly made up of preditors & herbivours of different shapes & sizes, ppl make an assumptions, before they should, as the Tyrannosaur familly are all connected close together, just as we humans are to Apes, Monkeys, Tree Squirals etc living under the rule of the dinosaurs! 🦖
Amazing how we can figure things out by a couple of bite marks
Apparently that's been proven false now. Its hands cannot rotate like a human's and walking on its knuckles would have damaged the bones and torn the muscles. Plus its back legs were believed to have been 27% too short for its body. Thus it walked on two legs, but it was quite low to the ground.
I agree
but how correct is it?
bien
Bite marks broken bones healed bones fossils found in the same area. All logical.
Daspletosaurs: "We hunt with each other, so now we will fight with each other."
B Schexnayder you know there is a term called ‘joke’ people use, sounds like you haven’t used that term 😐
@@bschexnayder4565 🤦♂️
Yes.
@@bschexnayder4565 hmmm i see you are a Gen-x(people who were born in the early 70s)… well there’s a thing in the world called “Jokes” idk(I don’t know) is you ever heard such a thing…
@@rohail9886 cringe af :/
Being a mature dinosaur enthusiast, I often wonder why I bother to read the comments section because it's full of children who think they know everything or at least think most about dinosaurs is already known. Most dinosaur species have only been discovered by fragments of one dig so stop acting like you or this documentary knows everything. Dinosaurs are animals, not pokemon.
Yes, but I think the ecosystems back then were about as complex as our ecosystem is right now. There are so many things that even complete skeletons don't tell us and the majority of identified species are just from fragments of fossils. We are still discovering new species of animals today, imagine how many more animals lived that are now extinct that we have no idea existed? So much to know, so little do we know.
***** Clash of the Dinosaurs got a lot of things wrong and made exaggerated claims. I'll admit it was impressive at first but if you look online you'll the major criticisms of the documentary.
There are probably many more dinosaurs out there than the animals we have today.
+Plato Smith And let's not forget certain members of a certain movie franchise fan base. I have no issue with people who like the movies. What I DO mind is when they rely solely on them for dino information. That "It can't see you if you don't move," nonsense was disproven years ago along with the fact the dromaeosaurs (raptors) had scales instead of feathers and were as tall as a human. REAL velociraptors were about the size of border collies and looked more like ground bases birds of prey than monstrous over grown lizards and T-Rex along with their cousins had superb senses of smell, sight, and intelligence. Like I said, I don't mind people liking the movie because they ARE entertaining to watch. I just wish certain people didn't solely believe in them.
Plato you're right
I miss you John hurt 😭 r.i.p
T-Rex lived in pairs, but their earlier tyrannosaur ancestors like albertosaurus and daspletosaurus lived in groups, as there were fossil evidences
o también Dryptosaurus...
What?talk english
_Tyrannosaurus_ also probably lived in small groups. We've found footprints left by a group of _Tyrannosaurus._ Tyrannosaurs probably behaved a lot like wolves.
Young T-REX's can be found alongside or proximity of each other. I think the general census is that when they were vulnerable (Small) they stuck near each-other and did not hunt each-other. The older ones were a lot more territorial.
I suppose it's not that dissimilar to Crocodiles, young huddle together and are indifferent but the adults can be solo or amongst others, but territory or food can cause conflict.
This what I’m like when me and my friend Jenna when we don’t want to share food
Why does the ceratopsian sound like a warthog?
its a chasmosaurus
It's a pig
Personally, elephant sounds look better on the ceratopsians
Bob Cat just reason
Nathan Wolter What do you think a wart hog is?
A single tyrannosaur is already terrifying, now imagine a pack of them hunting in a coordinated manner
They literally state in the video that they don't hunt in a planned or coordinated manner.
@@BigAl2-u7e Ah so that is what this video was, a video of my pe team
It's a nightmare
They look like chickens they didn't make the actual appearance of trex actual trex were muscular and don't require partners to kill though
@@BigAl2-u7e just like Komodo dragons
Is no one going to talk about how big those trees are
@SAMUEL GWINN trees in the past are just big
Ever seen a Redwood?
There are big sequioas like that now. They were very common in the cretaceous.
Ever heard of a Redwood?
@@lordshotgun7168 bro red woods are not that big🤣
A lot of comments about "T-rex". This is about tyrannosaurs in general, and there is enough evidence to suggest that the smaller species did live together at times. As the video suggests, it is unlikely that there was any co-ordinated attack strategy that we associate with mammalian packs, instead the group merely stays together waiting for someone to make a kill. When the prey is large this is a good strategy, particularly for the larger tyrannosaurs of the species.
Dave Smith While this could be true there's fossil evidence that T-Rex along with other tyrannosaurs did hunt in packs or small family groups. The T-Rex was also very smart so I see no reason why there wouldn't be co-ordination.
Nuke2099 There is no fossil evidence for T. rex hunting in packs, it is still currently speculation. This out of wikipedia provides a slice of current thinking
en.wikipedia.org/wiki/Tyrannosaurus#Pack_behavior
Based on brain size T. rex was smarter than almost all dinosaurs, but remarkably stupid in comparison to modern birds and mammals. In any case brain size is not a good indicator of whether a creature is capable of co-operative hunting (as opposed to communal hunting) - ants are capable of coordinated hunting, but are as dumb as a micro-chip. This article also provides Stegodyphid spiders as another example.
en.wikipedia.org/wiki/Cooperative_hunting
The article mentions the basics of the theory behind the development of cooperative hunting. What is not mentioned, but is implicit, is that the society must be close enough genetically for altruism/cooperation to to root in the population. Thus cooperation can never take hold in turtles, for example.
The problem with T. rex is that it grows gradually throughout its life and is capable of living independently during this time. This means that at any time there will be a variety of different sized T. rexs in a pack. There is then an inherent inequity about who gets the spoils of the meals, the larger T. rexs getting all of the food. This is similar to crocodilians today, and there is no cooperative hunting there, in fact smaller crocodiles get eaten by the larger ones if the opportunity presents itself. The important quote from the article is " the increased benefit in hunting efficiency from cooperation must compensate for the division of available meat among cooperators " - this can never be the case with T. rex.
So the family and pack groups of fossils they dug up years ago then are false? because that's where that evidence comes from. Also when hunting the prey T-Rex did, planned hunting strategy would have to be a thing because such animals also lived in herds. You don't see a lone wolf or a unco-ordinated wolf pack hunt bison or a lion pride attack prey unco-ordinated. Actually the only reason why big cats such as lions formed prides through evolution was because of the prey they hunt otherwise they would be solitary hunters.
Nuke2099 "So the family and pack groups of fossils they dug up years ago then are false" - that has not happened for any T. rex specimens
As for the rest of your rant - please go read the published science instead of making stuff up. At the very least address the points and references I have presented.
"T-Rex did, planned hunting strategy would have to be a thing because such animals also lived in herds" - is simply wrong because of the argument I put forward with regards the different sizes that adult T. rexs came in, basing it on the work done in the study of the evolution of cooperative hunting
Dave Smith
Actually it has happened with T-Rex specimens look it up. Also the only reason that lions form prides is the abundance and size of prey species around them. Similar sort of thing. I suggest you look at real life animals to learn how animals of the past might of lived. There's a thing called convergent evolution you know. I'm not making stuff up, what I'm saying is from info I have read. Also you linked a wiki page which can be edited by almost anyone. Also none of this matters because no one has ever seen T-Rex behavior etc so until then both points are mute. For all we know T-Rex could of been the size of Godzilla and the specimens found now were only babies (not really because this would be stupid).
man those heads are hella shrink-wrapped around their skulls
poor dinosaurs
XamiNaxamis _Daspletosaurus_ also has too many and too small teeth here, it’s skull and neck are elongated, and it’s ankles are too beefy. Among other inaccuracies...
Their Starving... I Think..
Their scaling is to small for Daspletosaurus adults would TOWER over chasmosaurus at 4.5 meters tall while Chasmo was 2 meters tall
I don’t think they care.
This cameraman is so good at traveling back in time millions of years ago and Bringing back the footage to BBC
forget dinosaurs, was every tree really that big???
Nikola Nikolesic although a late reply, those massive trees are likely redwoods which were widespread in Late Cretaceous N. America, with Redwoods forming large forests like this one or the modern Muir Woods park
I did not know that daspletosaurus or other tyrannosaurids worked in groups. This series has taught me much about dinosaurs and I hope to be able to make this same kinda of content too.
Just me here, watching dinosaur vids, at quarantine, 8 years after this vid was posted
This was a awesome documentary I think I have it on dvd 📀
😢😄
I love this song
Спасибо BBC за интересные передачи. Я всегда их смотрю, очень познавательно.
For a rookie, you're actually quite convincing...
Awesome video
I'm surprised how similar JWE's chasmo looks to this one, maybe it's the same thing
Daspletosaurus: Hey we were once thought to have reptile like skin, now they say we had feathers. What's next? Fur?
Insect skin
I know this probably doesn't matter now but.
-originally we thought dinosaurs were just overgrown lizards, and thus scaly like them.
-now we know they're ancestral reptiles to birds, if not birds themselves. Meaning a majority of them would be feathered (having covering like feathers or fur is VERY useful for small animals in particular)
-but since these animals are quite big (4-5K kilograms for daspleto I think), they would overheat if they DID have feathers, meaning they likely didn't and had scales instead
Chasosaur makes a noise like a wild boar
THANK U!
trex was also kalled king because it had the strongest bite one bite and your dead they can also kill a spinosaures with maybe 2 or 1 bite
They are indeed the classics of all dinosaurs shows :) It is the same reason as to why you either love having them in every dino documentary (as it is a classic in one's opinion) or dislike it being in every single one (as it gets boring in other's opinion).
Tyrannosaur Killed King Attacks Jaw
Prehistoric 👌
I like the music in this chase scene
Then: Chasmo vs Daspleto
Now: Tric vs Tyranno
Meanwhile: Alioramus vs Protoceratops
Excellent information, I like watching unveiling facts about dinosaurs
The funny thing is that Chasmosaurus makes a sound like a wild boar
OMFG!!!!! I LÖÖÖV DINOSÖÖRS!!
Who is rewatching this masterpiece in 2024?
I am but because of how many inaccuracies that have been confirmed over the years I wouldn't say this is a masterpiece anymore
Speaking of Sue, you know that research carried out on her indicates that she spent much of her later days immobile due to injuries, Paleontologists specualte that other Trexs - mate and/or offsring cared for her, so she was likely over weight and by the way he 9 ton is just an estimate. Most paleontologists stock with the 5-6 ton estimate.
she wasn't overweight, and newest methods to measure volume indicates 9.5 tons for sue, which is normal for her size.
The pack of Daspletosaurus are chasing the Chasmosaurus.
Daspletosaurus, the frightening lizard
Wherever there's a ceratopsian there's a tyrannosaur ready to hunt it down
I love BBC Dinosaur videos! Really!
Personally, I think Seismosaurus was a really massive Diplodocus. Though a real contender for the Biggest Sauropod would be Amphicoelias: Late Jurassic, 130-200 feet at most and weighing 135 tons.
Did T-Rex really look like that. Either way it looks awesome👏👍🏼
It isn't tyrannosaurus Rex, it's daspletosaurus. They belong to the same family and their appearances aren't very different.
@@andrefabri6191 yes
It's Daspletosaurus lol
A little perspective - bite force isn't everything, a hyena has a biteforce almost 3 times that of a lion, but who wins in a fight. Furthermore, Tyrannosaurus was a lightweight compared to the Charcarodontosaurs, t rex averaged 5-5.5 tons in weight, Giganotosaurus and Charcarodontosaurus averaged 7-8 tons in weight - thats a huge weight difference, Spinosaurus had a average mass of up to 11 tons.
I thought those carnivores were t-rexes. But I didn't realize that they were actually a pack of daspletosaurs.
lol why does it sound like a boar?XD
Well we travel in time and record there voices can we?so we have to assume what they sound like
And how do words make people sound like boars if a boar started typing it would most likely be this
Sfdahdasfmbdacskjkfdvbshjkacddadfebhjkdvsfbfkjsvdbhcdksjqlkvfdhsfvjashdsvanklbvfsenkldvfbsjlkfvdsbj
That's all
pinkgalah You meant Chasmosaurus?
Is That A Chasmosaur(I’m Talking About The Ceratopsian)
Go and do some research, Tyrannosaurs appeared around 83 million years ago, having evolved from smaller dromeosaur size ancestors, at least 8-10 million years after the extinction of the characrodontosaurs.
This is what happens when Chasmosarus isn't traveling in a herd.
Tyrannosaurs bringing abusive parenting to a hole new level
Can we please talk about the size of the trees????
That’s how big they were back then
The sound mixing in this documentary isn't that good. I'm not asking for Jurassic Park levels of complexity in the roars but this is just lazy.
tigris115 So you know how dinosour roars really sound like?
I'm not saying that. It's just that IMO, the sound department could've done a better job in creating unique, interesting sounds.
tigris115 Agreed. Not asking for quality but for a ceratopsian to basically sound like a wild boar feels strange.
+tigris115 But the sounds make sense, dinosaurs did not roar they made grunts and gurgles like a crocodile
Yes but the sound mixing is still rather uncreative.
The animation looks awesome I just wish they did less zooms and pans the camerawork gives me a headache
Actually the dino shown is Daspletosaurus, and three individuals of different ages were found in the Two Medicine Formation along with five hadrosaur skeletons, suggesting pack hunting. They might have died fighting with others of the pack for food.
Wow, that's cool!
This scenario of a lone horned dinosaur wandering alone probably was rare. Usually the horned dinosaurs would be a herd animal that had the protection of numbers like the Buffalo in Africa. When lions attack a herd they face wall of horns making it difficult for lions to kill them. Nearly all horned mammals do this, so by extention it is not a longshot to believe horned dinosaurs did the same! It is also probable that carnivorous dinosaurs hunted in packs like lions, wolves ect.
maybe its a male who sometimes roam away from herds in elephants and gorilla etc
What soundstracks did you use
Great animation
Look, it seems like you're smart, you know you're stuff, that's great, Guan long wasn't direct but his kind did in fact evolve into the more advanced Tyrannosaur's, I was just letting you know that if something like Acrocanthosaurus survived Tyrannosaur's would be there right alongside them, just like Spinoaaur's were able to, Tyrannosaur's are more advanced than both, both would fill different niche's, Acrocanthosaurus would likely take down more lightly built prey, as opposed to T. rex's heavy
The thing I am noticing is that the triceratop's voice is really identical to the modern pig
Lol me and my friends in the isle hunting an ava
Considering plenty of modern animals hunt organizedly but still fight each other (lions, crocodilians, squid....), why assume that infighting automatically rules out actual cooperation?
Its the smartest of them (other than dromaeosaurs), its the most advanced (lived most recently) It had binocular vision, it was MUCH bulkier than the others, it had a superior sense of smell, and it was a group hunter (families of 2-4 most likely).
You're kinda right about the Seismosaurus, since it's rather incomplete to determine what species it really is... and that's exactly why I think it's a Diplodocus. But we'll have to wait till more turn up.
any references to this idea of yours, most paleontologists including Philip John Currie state the maximum weight of 6.5 Tons, according to Journal of Vertebrate Paleontology
Volume 27, Issue 1, 2007 - Giganotosaurus averaged around 9 tons in weight and may have reached 11 tons.
indrajee
Wrong. Giga weighed 6-7 tons.
they are so skinny, I can see their whole skeleton below the flesh.
(cont) leg bones are built so they can 'pivot' their bodies quickly on their axis-so they can spin around & keep their horns pointed in the right direction. Of course if a Rex or Albertasour or Daspletosaur can get the trike to panic & try to run, there is a lovely spinal column that can be chomped. Then again, as I understand fossils, the 'terrain' that The Rex lived in was heavily forested-probably easy for a large animal to sneak up on a herd of noisy, feeding herbivores.
I miss this show but I have the dvd
paleontologist know that dinosaurs have feathers for a decade now. i just knew it last week and it looked so natural when you see them with feathers. after that and then watching jurassic park, they ended up looking so naked now.
Not the slightest bit true. There is superb evidence stating that the primary reason Allosaur's went extinct in North America is because Tyrannosaur's came and took the throne. Its general paleontology knowledge that Tyrannosaur's are well known for being extremely powerful while having the brains to utilize that power.
@maskell125
You also have to consider that fact that tyrannosaurs had also out competed all other predatory theropods that lives in the same environment due to being more powerfully built, smarter, stronger etc; basically, more advance. This documentary also explains that.
I love learning 😐
When you break into a Gucci’s store
bbc is good for adults
recent studies and finds of their bones have shown that they lived in packs, some hunted solo others in packs. Thoose finds are rarer than 1m thick diamonds, and only been found once.
Size does not mean the best. To be honest, neither Spinosaurus nor Carcharodontosaurus are actually confirmed to be larger, only presumably and/or through assumptions
Carcharodontosauruses size was a bit over done because the actual estimates for it are 35-43ft.
Tyrannosaurus compared to them and its advancements truly over shadow their length differences. It was a creature built for combat with far superior weaponry, sensory system, intellect, robustness, strength and musculature
a full grown Tyrannosaurus would take down any theropod we know of, including your precious Carcharodontosaur's.
Who says she wasn't eating, she was being bought food by her mate, anyway, the Field Museum who purchased Sue's remains and studied them estimated her weight at 7 SHORT tons (6.4tons) at the most - not the ridiculous pot smoking estimate of 9 Tons which you gave lol.
finally someone who doesn't fight over spino & t-rex. but i gotta disagree about the biggest dino. now, i don't know seismosaurus like you (unlike your argument partner), but neither do I think the Amphicoelias was clearly the biggest one. There was just a single bone of it they found which got destroyed during transport if i remember right (arguably the largest in a sauropodon sceleton) but the "estimations" are quite exegerated ranging from 37 (most realistic) to 60m (a "bit" over the top).
Cool
I'm sure T. rex knew how to spell THEROPOD. Tyrannosaurus was an exceptionally intelligent dinosaur, all the paleontologist that I talk to agree with me.
lol, tyrannosaurs didn't diversify until after the extinction of the gian charcarodontosaurs around 90 million years ago, ask any paleontologists. They inherited their throne.
I thought T-Rex was like a giant vulture. They used smell to detect carcasses and their size meant few predators would attack. Also, length of the different sections of the leg indicates it was a slow mover, not a speedy runner and hunter.
iamnotamouseok actually they could get up to 30 miles per hour.
They're daspletosaurus
The increase in cerebrum size amongst coelurosaurs was most defined in dromeosaurs and maniraptors. It also developed in response to increased social behaviour in those groups. Trex was only slightly smarter then other therapods.
T-Rex was a lot smarter than most theropods. His brain was resembling that of birds and had one of the biggest of all theropods compared to body mass. Compared to that most theropods had a brain that had more in common with reptiles and were a lot smaller.
so they basically lived like a lion pride.
I love tyrannosaur and this video is awesome.!
The stockiest tyrannosaurids are T. rex and Tarbosaurus. Daspletosaurus comes next, although it's more robust than any other Tyrannosaurs besides T. rex and Tarbosaurus.
Just saw next doors cat attack a wood pigeon, feathers flying everywhere but because she's still a kitten the bird managed to escape. Birds being distant Dino relatives made me think : 'mammals now rule the world'
I hate cats.
I always thought Billy Connolly A.K.A Uncle Monty did these.
A few vids ago you said the spinosaurs were the biggest predator
They’re saying that Daspletosaurus was the largest terrestrial Carnivore in North America at the time, 30ft long and 3 tons is pretty big. But you are right Spinosaurus was defiantly bigger, I would say 52ft? Long and 6.5-7.5 tons for a Spinosaurus
They said AT THE TIME.
If Allosaurus is the lion of the Jurassic, than Daspletosaurus is the lion of the Cretaceous.
Erik Schauer Mosasaurus was a T-Rex of Deep Ocean T-Rex is Tiger of Creatacous
Oak vathanakul the Pliosaurus (Predator X) is more better because it is 15m long and weighing 47 tons.
Le daspletosaurus, 9 metres et 3 tonnes etait un cousin du celebre t-rex il a vecu 5 millions d'annees avant lui . Il etait aussi plus rapide avec des pointes a 40 km/h il chassait en meute ici un chasmosaurus mais au moment de la curee c'etait tout autre chose, le chef et les plus forts mangait en premier et les plus faibles en dernier(on dirait que ces derniers aurait constitue une menace pour la survie l'espece s'il ils auraient mange en premier car la nature ne peu rien prevoir de leur survie autrement dire que c'etait des substitutes en cas de mort des autres)
Where ever else tyrannosaurs lived they were the largest predator living in groups that consists both youngsters and adults
I always thought those ceratopsians were more herd mentality to avoid being attacked.
Think about it. Dinosaurs probably kept growing throughout their lives so maybe some Diplodocus lived to extremely old age and grew larger.
Great intelligent palaeontology superb👌👌👌👌👏👏👏
" Acrocanthosaurus was one I forgot about so yes you're right" - there you go, thats a start. lol, Proceratosauridae died out 120 million years ago, so Guan Long isn't a direct ancestor to Trex.
is it a t-rex or dastpaletosaur?
daspletosaur. tyrannosaur is a family of dinosaurs. t-rex is a type of tyrannosuar
It's a Daspletosaurus, which is a Tyrannosaurid. They are a family of theropod dinosaurs.
Did you just copy the first one?
Daspletosaurus is a tyrannosaur
Question would ceratopsids be alone unless its lost or behind a group???
It is. I was just quoting the fail-spelling of the vid :P
Good video 👍🐂
From working together to fighting
The T-Rex was the best lol great video
This isnt a t rex, its a tyrannosaur not Tyrannnosaurus